package com.heima.behavior.service.impl;
import java.util.Date;

import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApReadBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.ReadBehaviorDto;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApReadBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;

public class ApReadBehaviorServiceImpl implements ApReadBehaviorService {

    @Autowired
    MongoTemplate mongoTemplate;

    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;

    @Override
    public ResponseResult readBehavior(ReadBehaviorDto dto) {
        //1. 校验参数
        ApUser apUser = AppThreadLocalUtils.getUser();
        if (apUser == null) {
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN);
        }
        //2.查询行为实体
        ApBehaviorEntry behaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId
                (apUser.getId() == null ? null : apUser.getId(), dto.getEquipmentId());
        if (behaviorEntry == null) {
            CustException.cust(AppHttpCodeEnum.DATA_NOT_EXIST,"获取行为实体失败");
        }
        //3.查询指定文章阅读行为是否存在
        //根据行为实体id　文章id
        Query query = Query.query(Criteria.where("entryId").is(behaviorEntry.getId())
                .and("articleId").is(dto.getArticleId()));
        ApReadBehavior readBehavior = mongoTemplate.findOne(query, ApReadBehavior.class);

        if (readBehavior == null) {
            // 不存在 新增阅读行为
            readBehavior = new ApReadBehavior();
            readBehavior.setEntryId(behaviorEntry.getId());
            readBehavior.setArticleId(dto.getArticleId());
            readBehavior.setCount((short)1);
            readBehavior.setCreatedTime(new Date());
            readBehavior.setUpdatedTime(new Date());
            mongoTemplate.save(readBehavior);
        } else {
            //存在 更新阅读次数
            readBehavior.setCount((short) (readBehavior.getCount()+1));
            mongoTemplate.save(readBehavior);
        }

        return ResponseResult.okResult();
    }
}
